From f63ff5953e7db244baa9c5ee9cf3da23091d1b3d Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Sun, 3 May 2026 07:14:30 +0200
Subject: [PATCH] graph.go: conditioned compilation by 'graph' tag

---
 graph.go        | 2 ++
 t_graph_test.go | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/graph.go b/graph.go
index f5ad7bb..36e408f 100644
--- a/graph.go
+++ b/graph.go
@@ -1,6 +1,8 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
+//go:build graph
+
 // graph.go
 package expr
 
diff --git a/t_graph_test.go b/t_graph_test.go
index d706d60..2fcad3d 100644
--- a/t_graph_test.go
+++ b/t_graph_test.go
@@ -1,6 +1,8 @@
 // Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
 // All rights reserved.
 
+//go:build graph
+
 // t_graph_test.go
 package expr